Pith Number

pith:IGJENBGD

pith:2019:IGJENBGDIBRICREHE4WEFTWASW

not attested not anchored not stored refs pending

Crowdsourcing in the Absence of Ground Truth -- A Case Study

Ajay Chander, Ramya Srinivasan

arxiv:1906.07254 v1 · 2019-06-17 · cs.HC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGJENBGDIBRICREHE4WEFTWASW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:43:08.406386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41924684c34062814487272c42cec0959e64d5ea5cd2308a9cbb17447d861ea0

Aliases

arxiv: 1906.07254 · arxiv_version: 1906.07254v1 · doi: 10.48550/arxiv.1906.07254 · pith_short_12: IGJENBGDIBRI · pith_short_16: IGJENBGDIBRICREH · pith_short_8: IGJENBGD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IGJENBGDIBRICREHE4WEFTWASW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 41924684c34062814487272c42cec0959e64d5ea5cd2308a9cbb17447d861ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37579b9f7d296676824130745c11814df5c9dc7f57a6deb03208bbe71d1fff3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-06-17T20:30:54Z",
    "title_canon_sha256": "8f9694b8559457e14e5c2d3c199ad92841e6d075d0887592a35f5b2062a84340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07254",
    "kind": "arxiv",
    "version": 1
  }
}